| Durgadoss R | 71350db | 2012-09-18 11:04:53 +0530 | [diff] [blame] | 1 | /* |
| 2 | * thermal_core.h |
| 3 | * |
| 4 | * Copyright (C) 2012 Intel Corp |
| 5 | * Author: Durgadoss R <durgadoss.r@intel.com> |
| 6 | * |
| 7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; version 2 of the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 20 | * |
| 21 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 22 | */ |
| 23 | |
| 24 | #ifndef __THERMAL_CORE_H__ |
| 25 | #define __THERMAL_CORE_H__ |
| 26 | |
| 27 | #include <linux/device.h> |
| 28 | #include <linux/thermal.h> |
| 29 | |
| 30 | /* Initial state of a cooling device during binding */ |
| 31 | #define THERMAL_NO_TARGET -1UL |
| 32 | |
| 33 | /* |
| 34 | * This structure is used to describe the behavior of |
| 35 | * a certain cooling device on a certain trip point |
| 36 | * in a certain thermal zone |
| 37 | */ |
| 38 | struct thermal_instance { |
| 39 | int id; |
| 40 | char name[THERMAL_NAME_LENGTH]; |
| 41 | struct thermal_zone_device *tz; |
| 42 | struct thermal_cooling_device *cdev; |
| 43 | int trip; |
| 44 | unsigned long upper; /* Highest cooling state for this trip point */ |
| 45 | unsigned long lower; /* Lowest cooling state for this trip point */ |
| 46 | unsigned long target; /* expected cooling state */ |
| 47 | char attr_name[THERMAL_NAME_LENGTH]; |
| 48 | struct device_attribute attr; |
| 49 | struct list_head tz_node; /* node in tz->thermal_instances */ |
| 50 | struct list_head cdev_node; /* node in cdev->thermal_instances */ |
| 51 | }; |
| 52 | |
| Zhang Rui | 80a26a5 | 2013-03-26 16:38:29 +0800 | [diff] [blame] | 53 | int thermal_register_governor(struct thermal_governor *); |
| 54 | void thermal_unregister_governor(struct thermal_governor *); |
| 55 | |
| 56 | #ifdef CONFIG_THERMAL_GOV_STEP_WISE |
| 57 | int thermal_gov_step_wise_register(void); |
| 58 | void thermal_gov_step_wise_unregister(void); |
| 59 | #else |
| 60 | static inline int thermal_gov_step_wise_register(void) { return 0; } |
| 61 | static inline void thermal_gov_step_wise_unregister(void) {} |
| 62 | #endif /* CONFIG_THERMAL_GOV_STEP_WISE */ |
| 63 | |
| 64 | #ifdef CONFIG_THERMAL_GOV_FAIR_SHARE |
| 65 | int thermal_gov_fair_share_register(void); |
| 66 | void thermal_gov_fair_share_unregister(void); |
| 67 | #else |
| 68 | static inline int thermal_gov_fair_share_register(void) { return 0; } |
| 69 | static inline void thermal_gov_fair_share_unregister(void) {} |
| 70 | #endif /* CONFIG_THERMAL_GOV_FAIR_SHARE */ |
| 71 | |
| 72 | #ifdef CONFIG_THERMAL_GOV_USER_SPACE |
| 73 | int thermal_gov_user_space_register(void); |
| 74 | void thermal_gov_user_space_unregister(void); |
| 75 | #else |
| 76 | static inline int thermal_gov_user_space_register(void) { return 0; } |
| 77 | static inline void thermal_gov_user_space_unregister(void) {} |
| 78 | #endif /* CONFIG_THERMAL_GOV_USER_SPACE */ |
| 79 | |
| Durgadoss R | 71350db | 2012-09-18 11:04:53 +0530 | [diff] [blame] | 80 | #endif /* __THERMAL_CORE_H__ */ |